QBC: Quasi-brittle cracking, coupled processes and hydraulic fractures
Minisymposium organized by
- I. Carol, UPC Barcelona, Spain
- G. Pijaudier-Cabot, University of Pau, France
- G. Xotta, University of Padova, Italy
Session I, Thursday, 11:00-12:40, lecture room C221, chaired by G. Xotta
| 11:00-11:40 | Z.P. Bažant*, H. Xu, A. Donmez, A. Nguyen, Y. Zhang: Leapfrog in computational fracture mechanics enabled by curvature-limiting sprain as damage localization limiter (keynote lecture) |
| 11:40-12:00 | G.B. Barbat*, M. Cervera, H. Venghaus, C.A. Moreira, M. Chiumenti: Objective numerical evaluation of cracking in quasi-brittle materials via adaptive mesh and formulation refinement |
| 12:00-12:20 | G. Pijaudier-Cabot*, D. Toussaint, M. Pathirage, G. Cusatis: Some comments on modelling failure with peridynamics |
| 12:20-12:40 | A. Dubois*, C. Guerra, J. Scheibert, D. Dalmas, D. Bonamy: Consequence of the crack tip microcracking statistics on dynamic nominally brittle fracture at the continuum-level scale |
Session II, Thursday, 14:00-15:40, lecture room C221, chaired by I. Carol
| 14:00-14:20 | S. Al Dandachli*, F. Perales, Y. Monnerie, F. Jamin, C. Pelissou: Mixed-mode fracture of cement paste and interface under three-point bending test: Numerical and experimental investigations |
| 14:20-14:40 | S. Zadran*, J. Ožbolt, S. Gambarelli: Modelling freeze-thaw behavior of cementitious materials |
| 14:40-15:00 | C. Biscaro*, A. Martinez, C.M. López, G. Xotta, I. Carol*: Cracking and fracture of 2D and 3D concrete specimens subject to external sulfate attack |
| 15:00-15:20 | L.F. Paullo Muñoz, C. Mejia, J. Rueda, D. Roehl*: Coupled DDM-FEM solution applied to fault reactivation assessment in CO2 sequestration |
| 15:20-15:40 | E. Sarris*, L. Papaloizou: A fully coupled finite element model for simulating hydro-dynamical plugging of unwanted hydraulic fractures in wellbore strengthening |
Session III, Thursday, 16:00-17:40, lecture room C221, chaired by G. Pijaudier-Cabot
| 16:00-16:20 | C. Konstantinou*, P. Papanastasiou: Fluid flow and fracturing in weakly cemented porous media: An insight into the underlying mechanisms |
| 16:20-16:40 | I. Carol*, L. Barandiaran, D. Garolera, J. Alvarellos, E. Ibáñez: HF propagation with proppant injection using the FEM with zero-thickness interface elements |
| 16:40-17:00 | C. Peruzzo*, B. Fryer, B. Lecampion: Can a bi-lateral stress jump really arrest the height growth of a hydraulic fracture? |
| 17:00-17:20 | J. Wang, G. Xotta*, A. Sonntag, A. Wagner, W. Ehlers: Modelling of natural hydraulic fracturing in sandstone cylinders |
| 17:20-17:40 | P.R. Cleto*, L.G. Barbosa, M.A. Maedo, E.A. Rodrigues, O.L. Manzoli: Numerical modeling and simulation of the interaction between hydraulic and natural fractures using high aspect ratio interface elements |
Session IV, Friday, 11:00-12:20, lecture room C221, chaired by G. Xotta
| 11:00-11:20 | F. Loiseau*, C. Oliver-Leblond, R. Desmorat: Modeling anisotropic damage using a reconstruction by rational covariants of the elasticity tensor obtained by discrete element tests |
| 11:20-11:40 | X. Gu*, P.Y. Liu, X.Z. Xia, Q. Zhang: Peridynamics for soil desiccation cracking simulation: Coupled hygro-mechanical model, staggered and monolithic solution |
| 11:40-12:00 | H. Liu*, L. Mao, F. Hild: Damage growth in coal under uniaxial compression |
| 12:00-12:20 | F. Suárez: Parameter calibration of a fibre-reinforced concrete fracture model by means of co-simulation between OOFEM and Scipy |
*Asterisks denote presenting authors.